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About Keystone

  • About Keystone
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    How to Enroll

    Our enrollment consultants will help you every step of the way through our enrollment process. ►

    Attend an Information Session

    Join us from the comfort of your own home for one of our online information sessions. ►

    Course Catalog

    Browse our course catalog ►

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    Frequently asked questions ►

  • K–12 Programs
    • K–12 Programs>>
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    High School

    Find out more about our core, elective and advanced course options for grades 9–12 ►

    Elementary School

    Learn more about our Elementary School offerings for grades K-5 ►

    Middle School

    Learn more about our Middle School Program including advanced courses for grades 6–8 ►

    Tuition

    See our tuition rates for our K-12 programs ►

  • Credit Recovery
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    How it Works

    Learn more about our year-round summer school alternative for grades 6–12 ►

    Tuition

    Get tuition rates for online and print correspondence courses ►

    Course Catalog

    Browse over 40 credit recovery courses for grades 6–12 ►

    How to Enroll

    When it comes to enrolling students in Keystone Credit Recovery, families have three easy and convenient options ►

  • Adult Learning
    • Adult Program >>
    • HOW TO ENROLL

    Career High School Diploma Program Curriculum

    Learn more about our exciting Career High School Diploma Program for adults over the age of 18. ►

  • How to Enroll
    • How to Enroll >>
    • How to Enroll in Grades K–12
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    Course Catalog

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    Contact Us

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Keystone offers a range of solutions for grades 6 through 12 in public, private, and alternative schools. Whether you want to create a customized, blended learning program for your school, or simply enroll a few students in our online and correspondence high school, middle school, or credit recovery courses, we can help.

Proven Solutions for Schools

Public, private, and alternative middle schools and high schools around the world come to us for support on a variety of levels.

Keystone has developed partnerships with more than 5,000 middle schools, high schools and other institutions to deliver supplemental online and correspondence courses and to create custom, blended learning programs. We offer more than 200 high school and middle school courses, including core, Advanced Placement® (AP®), foreign languages, and numerous electives. We also offer more than 40 credit recovery courses that are available for year-round enrollment and also serve as a summer school alternative for many of our school partners.

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High School Program Curriculum

Learn more about our core, elective, and advanced course options. ►

High School Program Tuition

Learn more about tuition, payment plans, and discounts. ►

High School Diploma

Review requirements for a Keystone diploma for grades 9-12. ►

Accreditation

Get more details about Keystone's accreditation and accrediting organizations that validate Keystone quality. ►

Transferring Credits

Find out how to transfer high school or homeschool credits into Keystone. ►

Middle School

Learn more about our Middle School Program including advanced courses for grades 6–8 ►

Credit Recovery Program

Do you need to retake a course to graduate on time? We can help. ►

Elementary School Program

Learn about the important role parents play in our program for grades K–5. ►

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High School Program

  • Why Keystone
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  • Getting Started

Middle School Program

  • Why Keystone
  • Curriculum
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  • Getting Started

Elementary School Program

  • Why Keystone
  • Curriculum
  • Tuition
  • Getting Started

Adult Learner Program

  • Why Keystone
  • Getting Started

Credit Recovery Program

  • Curriculum and Catalog
  • Tuition
  • Getting Started

Solutions For Schools

  • Why Keystone
  • High School Solutions
  • Middle School Solutions
  • Credit Recovery Solutions
  • Getting Started
  • Proven Solutions for Schools

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